Home / 11,939.96-16,476.54-6,634.66

Finding the Fourth Proportional to 11,939.96, 16,476.54 and 6,634.66

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Solution

The fourth proportional to 11,939.96, 16,476.54 and 6,634.66 is: 9,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.96 : 16,476.54 = 6,634.66 : x
  2. Step 2: Convert to fraction form
    11,939.96/16,476.54 = 6,634.66/x
  3. Step 3: Cross multiply
    11,939.96x = 16,476.54 × 6,634.66
  4. Step 4: Simplify right side
    11,939.96x = 109,316,224.36
  5. Step 5: Solve for x
    x = 109,316,224.36/11,939.96
  6. Step 6: Final answer
    x = 9,155.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.